We propose that As anomalism in groundwater possibly resulted from the combined effects of organic matter-enriched lacustrine sediments, geological setting and topographical characteristics.
通过研究，可以看出以还原环境为主的富
有
的湖沼相沉积环境、特定的地、地形条件为地下水砷异常的原
。
We propose that As anomalism in groundwater possibly resulted from the combined effects of organic matter-enriched lacustrine sediments, geological setting and topographical characteristics.
通过研究，可以看出以还原环境为主的富有的湖沼相沉积环境、特定的地、地形条件为地下水砷异常的原。
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